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video_core, core: Move pixel download to its own thread

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This uses the mailbox model to move pixel downloading to its own thread, eliminating Nvidia's warnings and (possibly) making use of GPU copy engine.

To achieve this, we created a new mailbox type that is different from the presentation mailbox in that it never discards a rendered frame.

Also, I tweaked the projection matrix thing so that it can just draw the frame upside down instead of having the CPU flip it.
This commit is contained in:
zhupengfei 2020-01-28 21:57:30 +08:00
parent 5b54a99f96
commit 06a0d86e9c
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GPG key ID: DD129E108BD09378
7 changed files with 324 additions and 169 deletions
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12
src/core/core.cpp
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@ -308,6 +308,12 @@ System::ResultStatus System::Init(Frontend::EmuWindow& emu_window, u32 system_mo
Service::Init(*this);
GDBStub::Init();
#ifdef ENABLE_FFMPEG_VIDEO_DUMPER
video_dumper = std::make_unique<VideoDumper::FFmpegBackend>();
#else
video_dumper = std::make_unique<VideoDumper::NullBackend>();
#endif
VideoCore::ResultStatus result = VideoCore::Init(emu_window, *memory);
if (result != VideoCore::ResultStatus::Success) {
switch (result) {
@ -320,12 +326,6 @@ System::ResultStatus System::Init(Frontend::EmuWindow& emu_window, u32 system_mo
}
}
#ifdef ENABLE_FFMPEG_VIDEO_DUMPER
video_dumper = std::make_unique<VideoDumper::FFmpegBackend>();
#else
video_dumper = std::make_unique<VideoDumper::NullBackend>();
#endif
LOG_DEBUG(Core, "Initialized OK");
initalized = true;